151081240 has 16 divisors (see below), whose sum is σ = 339932880. Its totient is φ = 60432480.

The previous prime is 151081223. The next prime is 151081279. The reversal of 151081240 is 42180151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888476 + ... + 1888555.

It is an arithmetic number, because the mean of its divisors is an integer number (21245805).

Almost surely, 2^151081240 is an apocalyptic number.

151081240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151081240 is an abundant number, since it is smaller than the sum of its proper divisors (188851640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151081240 is a wasteful number, since it uses less digits than its factorization.

151081240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777042 (or 3777038 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 151081240 is about 12291.5108916683. The cubic root of 151081240 is about 532.6028837186.

It can be divided in two parts, 151081 and 240, that added together give a square (151321 = 389²).

The spelling of 151081240 in words is "one hundred fifty-one million, eighty-one thousand, two hundred forty".